EP3060719A1 - Papier destiné en particulier à l'impression d'une couche électro-conductrice - Google Patents
Papier destiné en particulier à l'impression d'une couche électro-conductriceInfo
- Publication number
- EP3060719A1 EP3060719A1 EP14786919.2A EP14786919A EP3060719A1 EP 3060719 A1 EP3060719 A1 EP 3060719A1 EP 14786919 A EP14786919 A EP 14786919A EP 3060719 A1 EP3060719 A1 EP 3060719A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- layer
- dry weight
- parts
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007639 printing Methods 0.000 title claims description 27
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 239000011230 binding agent Substances 0.000 claims abstract description 50
- 230000009477 glass transition Effects 0.000 claims abstract description 25
- 239000000049 pigment Substances 0.000 claims abstract description 23
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims description 54
- 239000000835 fiber Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 28
- 238000007670 refining Methods 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 229920002522 Wood fibre Polymers 0.000 claims description 12
- 239000002025 wood fiber Substances 0.000 claims description 12
- 244000166124 Eucalyptus globulus Species 0.000 claims description 9
- 229920005822 acrylic binder Polymers 0.000 claims description 9
- -1 for example Substances 0.000 claims description 9
- 238000007647 flexography Methods 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007650 screen-printing Methods 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000011256 inorganic filler Substances 0.000 claims 1
- 229910003475 inorganic filler Inorganic materials 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002562 thickening agent Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 70
- 239000000976 ink Substances 0.000 description 48
- 238000010586 diagram Methods 0.000 description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 12
- 239000002985 plastic film Substances 0.000 description 12
- 229920006255 plastic film Polymers 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004383 yellowing Methods 0.000 description 11
- 229920005789 ACRONAL® acrylic binder Polymers 0.000 description 10
- 238000000151 deposition Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000035807 sensation Effects 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 241001479434 Agfa Species 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 3
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000011122 softwood Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 235000009499 Vanilla fragrans Nutrition 0.000 description 2
- 244000263375 Vanilla tahitensis Species 0.000 description 2
- 235000012036 Vanilla tahitensis Nutrition 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 208000018747 cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome Diseases 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 235000015067 sauces Nutrition 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 description 1
- OOCCDEMITAIZTP-QPJJXVBHSA-N (E)-cinnamyl alcohol Chemical compound OC\C=C\C1=CC=CC=C1 OOCCDEMITAIZTP-QPJJXVBHSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 239000004114 Ammonium polyphosphate Substances 0.000 description 1
- GEHMBYLTCISYNY-UHFFFAOYSA-N Ammonium sulfamate Chemical compound [NH4+].NS([O-])(=O)=O GEHMBYLTCISYNY-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 229920000926 Galactomannan Polymers 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920001046 Nanocellulose Polymers 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 108010073771 Soybean Proteins Proteins 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 1
- 229920001276 ammonium polyphosphate Polymers 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012789 electroconductive film Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000003703 image analysis method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000000424 optical density measurement Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940001941 soy protein Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/006—Patterns of chemical products used for a specific purpose, e.g. pesticides, perfumes, adhesive patterns; use of microencapsulated material; Printing on smoking articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/508—Supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0386—Paper sheets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
Definitions
- the present invention relates to a paper intended in particular for printing an electroconductive layer, as well as its manufacturing method.
- a known method consists in preparing in a pulper a homogeneous paste by mixing cellulosic fibers and water. The pulper allows the stirring and shearing of the fibers, so as to separate and individualize them to form a fibrous suspension.
- the dough then passes through a refiner.
- the latter comprises a stator and a rotor rotating at high speed, equipped with teeth or radial grooves.
- the paste flows between the rotor and the refiner stator so as to modify the structure of the fiber wall to introduce water into the fibers, to cut the fibers and / or to increase the fibrillation and therefore the bond potential between the fibers.
- composition of the dough can then be adjusted before being sent to the headbox of a paper machine.
- the headbox allows evenly distributing the dough on a moving canvas of a flat table (in the case of a Fourdrinier machine), where it will be driped through the mesh of the fabric, by gravity and by suction using suction boxes, to make a sheet.
- a felt is usually applied to the sheet, opposite the canvas.
- the sheet still contains a large amount of water.
- the fibers are mainly oriented in the direction of movement of the fabric, called walking direction.
- the direction perpendicular to the direction of operation is defined in a cross-directional manner.
- the face of the sheet which is applied against the canvas generally has roughness greater than the opposite side (felt side).
- the paper sheet passes through the press section of the paper machine to remove more water. For this, the sheet passes between a series of cylinders compressing the sheet in order to extract water. During this step, the paper sheet is also sandwiched between absorbent felts in the form of endless belts, suction boxes to remove the water absorbed by the felts after the pressing of the sheet , before the felts are again applied against the sheet.
- the sheet then passes through a dryer composed of a series of steam-heated cylinders over which the sheet passes.
- the temperature of the cylinders increases progressively, from upstream to downstream relative to the direction of movement of the sheet.
- the wet part of the paper machine defines all the elements of the machine (headbox, flat table) situated upstream of the dryer.
- the sheet may undergo surface sizing treatment by passing through a size press ("size"). press ", in English).
- the sizing press is generally formed of two rollers arranged side by side, so as to form a bowl fed with a sauce or a bath of a specific composition.
- the sheet passes between the rollers so as to coat for example one or both opposite faces, with the sauce to form a layer.
- the sheet then passes into a so-called post-drying section, where it is again applied against one or more steam-heated rolls.
- the sheet is in the form of a continuous strip comprising an inner or core zone forming a fibrous substrate or mat, of which at least one face or outer surface is covered with a layer or coating .
- This sheet may optionally undergo finishing operations such as calendering or smoothing, to improve the surface condition of the sheet, before being wound, cut and packaged in the form of coils, for example.
- a paper for printing an electroconductive layer is particularly suitable, but not exclusively, for use in electronic applications, such as in printed electronics.
- Printed electronics consists in depositing an electroconductive layer on a flexible and flexible support, such as a plastic film according to known techniques, for the manufacture of electronic components such as electronic chips, of the RFID type, for example.
- plastic films such as those made of PEN and PET
- these plastic films are thermally unstable and relatively expensive (the cost of these films being greater than or equal to 4 euros / m 2 ).
- Patent Application WO 2013/104520 in the name of the
- Applicant discloses a method for producing a sheet comprising at least one electroconductive layer, this sheet comprising a paper substrate, at least one side of which is covered at least in part with a layer or several superimposed layers whose electrically conductive layer, the method comprising the steps of: a / preparing or providing a multilayer structure comprising at least, or consisting of, a plastic film, a release coating, and a base layer, the release coating being interposed between a face of the plastic film and the base layer,
- the method being characterized in that the base layer is covered with an electroconductive layer by a further step of:
- the base layer being a printable layer based on a binder whose content is greater than 15% by dry weight relative to the total weight of dry matter of this layer, then optionally subjecting the printed sheet to an annealing heat treatment so as to form a layer of electroconductive ink.
- paper-based papers and sheets are more economical and have the added advantage of being recyclable and thermally stable.
- the use of sheets or papers for printed electronics allows the production of very large printed areas, which are more difficult to obtain from plastic films.
- a sheet or paper can be printed for an application in electronics directly after its manufacture, that is to say that the printing machine can be arranged directly after the papermaking machine, according to a continuous process (roll-to-roll process).
- it is easier to obtain a white and shiny paper than a white and shiny plastic film because the combination of the properties of Whiteness and gloss is difficult to obtain with a plastic film, which is moreover difficult to cover with an aqueous coating composition than a paper which has a hydrophilic nature.
- the inks used are relatively expensive, such as, for example, inks using silver nanoparticles
- the fact of using only a very small layer of ink makes it possible to significantly reduce the cost of producing the ink. such an electroconductive sheet.
- the aforementioned method of producing the paper support is relatively complex and expensive.
- the inks used have a lower cost, or in the case where it is desired to use printing techniques requiring the deposition of a larger layer, it is not necessary to use a medium of which the face intended for printing is as smooth.
- the deposited ink layer is typically between 10 and 15 m, this layer being between 1 and 3 ⁇ in the case of a printing process by flexography.
- the inventors have determined the conditions in which a support having a face whose roughness Ra is for example between 0.1 and 3 ⁇ could be sufficient to produce electroconductive sheets of high quality.
- the support thus coated with the ink layer is generally subjected to an annealing treatment, for example carried out in a tunnel oven or an oven and in which the paper and the coating layer. ink are subjected to a significant temperature during a given period.
- the patent application US 2009/0242019 describes the production of solar cells by silane deposition on a flexible plastic support, an annealing at a temperature between 250 and 400 ° C to transform the silane into silicon polycrystalline.
- plastic support has a relatively low thermal resistance (with the exception of some expensive plastics such as polyimide), compared to a paper support.
- the conductivity of the tracks produced is relatively low. This can be explained by the very high roughness and porosity of the support, which causes a discontinuity in the electroconductive tracks.
- the resistance of the flexographic printed conductive tracks with inks containing silver nanoparticles, with annealing at 180 ° C. for 5 minutes, on a Bristol® type paper manufactured by Arjowiggins Creative Papers is of the order of 3100 ⁇ / sq. It is recalled that the higher this resistance, the lower the conductivity of the conductive track.
- coated papers have pigment layers bonded with a synthetic latex, so that their porosity and surface roughness are lower. If we print these coated papers with conductive inks, we see again that the conductivity of tracks obtained is average, because we can not perform annealing at high temperature. Indeed, such coated papers have poor dimensional stability (dimensional deformations or shrinkage during annealing at high temperature).
- the resistance of the flexographic printed conductive tracks with inks containing silver nanoparticles, with annealing at 180 ° C. for 5 minutes, on a Sensation® type paper manufactured by Arjowiggins Creative Papers is of the order of 1700 ⁇ / sq.
- the invention aims in particular to provide a simple, effective and economical solution to this problem.
- a paper comprising a fibrous substrate comprising at least one face covered with at least one layer, said layer comprising or consisting of:
- viscosity agent such as, for example, polyvinyl alcohol.
- the layer may cover only one of the two faces of the substrate, or both sides of said substrate.
- the layer can cover the whole of the face concerned or on the contrary can cover a defined area of lower surface area to the surface of each face of the substrate.
- the fibrous substrate is completely or partially covered with a single layer and this layer is as defined above.
- temperature-resistant binders makes it possible to improve the thermal resistance of the paper during a possible thermal annealing step, that is to say to reduce the deformations or the dimensional shrinkage as well as the effect of the yellowing occurring during such an annealing step.
- the binder or binders of the layer deposited on the surface of the substrate and intended for printing is an acrylic binder composed of acrylic ester and acrylonitrile whose glass transition temperature is below 10 ° C.
- the binder comprises or consists of Acronal LN579S marketed by BASF.
- a binder having a high glass transition temperature is more thermally resistant
- the Applicant has surprisingly found that, on the contrary, the use of a binder having a low glass transition temperature, in particular less than or equal to 20 ° C, preferably less than or equal to 10 ° C, can significantly improve the thermal resistance of the paper, in particular in terms of deformation. This is illustrated in Examples 1 and 2 below.
- Said layer may comprise from 10 to 30 parts by dry weight of binder whose glass transition temperature is less than or equal to 20 ° C, preferably from 15 to 25 parts by dry weight, and even more preferably 19 parts by dry weight.
- binder whose glass transition temperature is less than or equal to 20 ° C, preferably from 15 to 25 parts by dry weight, and even more preferably 19 parts by dry weight.
- an acrylic binder is used.
- said layer may comprise 0.05 to 15 parts by dry weight of viscosity agent, more preferably 0.05 to 5 parts by dry weight, and even more preferably 0.05 to 4 parts by dry weight. such an agent.
- said layer may comprise from 5 to 10 parts by dry weight of polyvinyl alcohol used as viscosity agent, more preferably 8 parts by dry weight.
- viscosizing agents may be used, among which mention may be made of: polyvinyl alcohol (PVA), carboxymethylcellulose (CMC), hydroxymethylcellulose (HMC), an acrylic copolymer, a gelatin, an alginate, a soy protein, a galactomannan, a nanocellulose, a polysaccharide, crosslinked polyacrylate, a polyvinylpyrrolidone, a hydrophobic ethoxylated urethane, an hydrophilic emulsion inflatable in an alkaline medium.
- PVA polyvinyl alcohol
- CMC carboxymethylcellulose
- HMC hydroxymethylcellulose
- said layer may comprise from 0.05 to 1 part by dry weight of carboxymethyl cellulose, or of hydroxymethyl cellulose, used as a viscosifying agent.
- the type of viscosity agent will be chosen depending on the coating method used. In general, the greater the amount of viscosity agent (s) is important, the lower the layer withstands high temperatures.
- the substrate comprises from 70 to 90% by dry weight of short cellulosic fibers, with an average length ranging from 0.5 to 1.5 mm, such as wood fibers, in particular wood fibers from eucalyptus.
- Example 3 The use of short fibers makes it possible to improve the thermal resistance of the paper with regard to deformation or dimensional shrinkage of the paper. Such an advantage is illustrated in Example 3. Furthermore, it has been found that the use of fibers with a low level of lignin, such as wood fibers derived from a bleached eucalyptus chemical pulp, which are also short fibers, makes it possible to improve the resistance. Thermal paper (particularly substrate) in terms of yellowing when exposed to high temperatures. This is illustrated in Example 4.
- the substrate comprises 80% by dry weight of short cellulosic fibers, or more.
- the substrate is obtained from a fibrous pulp whose refining rate is less than 50 ° SR, or less than 40 ° SR, preferably less than 35 ° SR.
- the fibrous substrate comprises from 10 to 30% of at least one mineral filler, for example calcium carbonate, kaolin or titanium dioxide.
- Calcium carbonate or any other mineral filler, makes it possible to reduce inter-fiber bonds and thus to improve dimensional stability.
- the paper has a whiteness of between 70 and 90, preferably between 75 and 85, so as to reduce the yellowing effect of the paper. This corresponds to a cream hue.
- the whiteness is measured according to the ISO 2470 standard. Indeed, the Applicant has demonstrated that the difference in hue of the paper after an annealing step, compared with the same paper before annealing, is dependent on the color of the paper before annealing. Thus, the more the annealed paper is white, the higher the yellowing effect at high temperature is visible. Thus, the yellowing of a cream, vanilla or ivory colored paper is much less visible than in the case of a white paper. This is illustrated in Example 5.
- the difference in color ⁇ of the paper calculated from the CIE LAB coordinates of the paper, after annealing at 200 ° C. for 5 minutes, is less than 5, preferably less than 2, relative to said paper before annealing.
- the layer covering the substrate of the paper according to the invention comprises no or very few optical brighteners, that is to say less than 0.5 parts by dry weight per 100 parts by dry weight of pigments, preferably less than 0.1 parts by dry weight per 100 parts by dry weight of pigments.
- Optical brighteners are used in the prior art to increase the whiteness of the paper. If such optical brighteners can increase the whiteness at low temperatures, however, they are destroyed when exposed to high temperatures, especially during an annealing step. The difference in hue that results, after such an annealing step, is therefore all the more important that the amount of optical brighteners is important.
- the layer covering at least one face may be printed on all or part of the surface of said layer with an electroconductive ink thickness of 0.1 to 20 ⁇ , in particular from 0.5 to 15 ⁇ , and 0.1 to 3 m or 10 to 15 ⁇ in a particular embodiment.
- this printing can be performed by screen printing, flexography or heliography.
- An electroconductive ink is an ink comprising conductive elements such as nanoparticles and / or molecules, these elements conferring on the paper printed with the ink (and optionally subjected to an annealing step) an electrical conductivity.
- the paper according to the invention can be used for several types of application in the field of printed electronics, six of which stand out mainly:
- printed circuits comprising conductive tracks, resistors, capacitors and transistors;
- the sheet may then comprise a component or be subjected to a particular treatment to make it flame retardant, the sheet may for example comprise flame retardants of the aluminum trihydroxide type, for example BACO FRF40® from the company Alcan Chemicals (values 30% BACO FRF40® in the mass of the sheet can be used to obtain a fire classification M1 or M2); it is also possible to add products in size press, of the phosphorus / ammonium salt type with levels of 50% with respect to the starch; other products may also be used, for example based on ammonium polyphosphate, antimony trioxide, ammonium sulfamate, etc. ;
- OLEDs organic electroluminescent diodes
- OLEDs are light-emitting diodes whose emitting material is an organic material; when this material is crossed by a current, it becomes a source of light;
- Switch membranes allow a momentary connection by contact; conductive ink is deposited on a flexible support of polyester or polycarbonate type; a dome is formed and constitutes the active element of a button; under the effect of pressure, the dome deforms and closes the circuit; this technology is used in mobile phones, cameras, control panels, toys, etc. ; and
- Radio Frequency IDentification (RFID) tags also known as smart tags or bullet tags or tags, or Transponder are equipment intended to receive a radio signal and to send in response a different radio signal containing information.
- RFID Radio Frequency IDentification
- the invention therefore relates to an object or product manufactured with an electroconductive printed paper according to the invention, such as an object selected from the list above.
- the invention also relates to a method for manufacturing a paper of the aforementioned type, characterized in that it comprises the steps of:
- a fibrous substrate with a fibrous pulp - covering, at least in part, at least one surface of the fibrous substrate by coating with a layer comprising 100 parts by dry weight of pigments, 5 to 50 parts by weight.
- a viscoant for example polyvinyl alcohol.
- the coating method refers, as is generally accepted in the field of paper milling, to a method of direct deposition of a layer (or coating) in an aqueous medium.
- aqueous layer deposition methods include tabletting and air knife deposition methods.
- the coating methods used in the context of the invention do not involve the transfer of the layer in the dry state of a third support to the substrate.
- the degree of refining of the fibrous pulp is less than 50 ° SR, preferably less than 40 ° SR, still more preferably of the order of 35 ° SR. It will be noted that for questions implementation of the manufacturing process, it will still be preferred that the refining rate is greater than or equal to 20 ° SR.
- said layer covering all or part of the fibrous substrate is applied by coating, with the aid of a gluing press of a paper machine, for example, which reduces the manufacturing costs of such a paper .
- the invention also relates to a method of manufacturing an electrically conductive product, comprising the steps of:
- the printing by means of the electroconductive ink is performed by flexography or screen printing.
- the invention also relates to a paper as obtained by the aforesaid method.
- the paper according to the invention or as obtained by this method is able to stably receive and fix an electroconductive ink because of its surface state, showing a low surface porosity but sufficient to allow the ink to penetrate the surface of the paper.
- the surface porosity of a paper according to the invention has, in a Microcontour test such as that described in Example 8, an optical density value greater than 0 (at a wavelength between 380 and 780 nm) and in particular, an optical density value in a range of 0.2 to 1 or in particular 0.2 to 0.8.
- the annealing time may be in a range of less than one second to several minutes, the annealing temperature being in the range of 100 to 300 ° C, preferably 180 to 220 ° C.
- the layer of ink deposited by printing on the support may be in a range of 0.5 to 15 ⁇ , preferably 1 to 10 ⁇ .
- the electroconductive ink may be deposited by a printing process such as screen printing, flexography or heliography.
- the invention also relates to a paper comprising a fibrous substrate having a face covered with a layer on which an electroconductive ink is printed, as obtained by means of steps consisting in
- a fibrous substrate with a fibrous pulp - covering, at least in part, at least one surface of the fibrous substrate by coating with a layer comprising 100 parts by dry weight of pigments, 5 to 50 parts by weight.
- FIG. 1 is a diagram representing the moisture content as a function of time, during a humidity cycle
- FIG. 2 comprises a first diagram representing the residual deformation of a paper sheet at the end of a moisture cycle, for four different types of fibers, and a second diagram representing the total amplitude of the deformation of the paper. paper during said moisture cycle, for the four types of fibers,
- FIG. 3 is a diagram illustrating the loss of whiteness or the difference in shade ⁇ after annealing, for four different types of fibers
- FIG. 4 is a diagram illustrating, for four papers of different colors, the color difference ⁇ obtained after annealing,
- FIG. 5 is a diagram illustrating, for different refining rates, the residual deformation and the total amplitude of the deformation of the paper during a moisture cycle.
- Example 1 Demonstration of the influence of the type of binder on the thermal resistance of the paper, in particular on the yellowing of the paper.
- each paper comprising a substrate comprising cellulosic wood fibers derived from eucalyptus, known under the reference Cenibra®, coated with a layer comprising in particular pigments and a binder.
- the type of binder used in the layer is varied and the residual whiteness of the coated paper thus obtained is measured for each type of binder used after a 5 minute anneal at 220 ° C.
- the remanent whiteness is the ratio of whiteness measured after annealing to whiteness measured before annealing, expressed as a percentage. The above whiteness is measured by the ISO 2470 standard.
- each binder is indicated its commercial name, the type of binder, the glass transition temperature Tg of said binder and the remanent whiteness measured after annealing.
- Binder 3 PVA BF 17H; polyvinyl alcohol; Measured whiteness measured: 45%
- Binder 6 Acronal S 888 S; acrylic ester, styrene and acrylonitrile;
- Binder 9 Esacote PU 21 / S; aliphatic polyurethane; Measured whiteness measured: 33%
- the binders with the best thermal resistance to yellowing are the binders of acrylic type or acrylic ester, such as for example the binders referenced 5, 7 and 8.
- Example 2 Demonstration of the influence of the glass transition temperature Tg of a binder on the thermal resistance of the paper, in particular on the deformation of the paper out of the plane of the sheet of paper.
- binder 6 in Example 1 is used, and a binder of Acronal S728 type (butyl acrylate and styrene) whose glass transition temperature Tg is 25 ° C (binder 4 in Example 1).
- the paper thus obtained undergoes an annealing step at 120 ° C. for 10 minutes.
- Example 3 Demonstration of the influence of the type of fibers on the deformation of said paper.
- the relative humidity of the paper sheet is varied over time, according to a law illustrated in the diagram of FIG. 1.
- This diagram represents the relative humidity of the sheet, expressed as a percentage, with respect to time, expressed in seconds. Note that during a cycle, the starting relative humidity is 50%, gradually increases to 80% before decreasing to 20%, then increases again gradually to 80% before being again gradually lowered to 50%.
- Figure 2 comprises two diagrams, a first diagram represents the residual deformation of the paper sheet at the end of a moisture cycle, for four different types of fibers, namely:
- Fibers A short cellulosic wood fibers derived from a bleached eucalyptus chemical pulp, known as Cenibra®, with an average length in the range of 0.5 to 1.5 mm,
- Fibers B long cellulosic wood fibers derived from softwoods, known under the reference Sodra®, with an average length in the range of 1.5 to 3 mm,
- Fibers C short cotton fibers, with an average length in the range of 0.5 to 2 mm
- - D fibers long bamboo fibers, average length in the range of 0.8 to 1, 8 mm.
- the second diagram represents the total amplitude of the deformation of the paper, in the plane of the sheet and during a moisture cycle, for each of the types of fibers A to D mentioned above.
- Example 4 Demonstration of the influence of the type of fibers on the yellowing of the paper.
- the annealing is carried out in an oven at a temperature of 200 ° C. for 5 minutes.
- FIG. 3 is a diagram illustrating the loss of whiteness or difference in color ⁇ , for four different fiber types, namely:
- Fibers A short cellulosic wood fibers derived from a bleached eucalyptus chemical pulp, known as Cenibra®, with an average length in the range of 0.5 to 1.5 mm
- Fibers B long cellulosic wood fibers derived from softwoods, known under the reference Sodra®, with an average length in the range of 1.5 to 3 mm
- Fibers C short cotton fibers, with an average length in the range of 0.5 to 2 mm,
- - D fibers long bamboo fibers, average length in the range of 0.8 to 1, 8 mm.
- Example 5 Demonstration of the influence of the color of the substrate before annealing on the yellowing of the paper after annealing.
- different papers are produced, each comprising a fibrous substrate covered with a layer comprising in particular pigments and a binder.
- the color of the substrate is varied by adding a dye to the dough, for example in the pulper, during the manufacture of the paper.
- this example comprises six papers of different colors, before annealing, respectively white papers, ivory, vanilla, beige, brown and black. The above colors are listed in the reverse order of their whiteness.
- Figure 4 is a diagram illustrating, for each paper, the color difference ⁇ obtained after annealing, compared with the same paper before annealing. It is found that the difference in hue is very important for a paper whose starting color (that is to say before annealing) is the color white and that this difference in hue is almost zero for a paper whose color of departure is the black color, the variation of hue varies progressively from one extreme to another depending on the starting color of the paper.
- Example 6 Demonstration of the influence of the degree of refining (measured in Schopper-Riegler degree or ° SR) of the fibrous pulp on the deformation of said paper.
- FIG. 5 is a diagram illustrating, for each paper, and therefore for different refining rates, said residual deformation (Curve C1) and said total amplitude of the deformation (Curve C2). It is found that these deformations are even lower than the refining rate is low.
- Example 7 Example of Making a Paper According to an Embodiment of the Invention
- a homogeneous fibrous pulp is prepared in a pulper.
- the dough comprises water, a yellow dye (whose share in dry weight is negligible) making it possible to obtain a creamy hue of the substrate, approximately 80% by dry weight of eucalyptus wood cellulose fibers of the Cenibra type. And about 20% by dry weight of calcium carbonate (CaCO3) known as Omyacarb®.
- CaCO3 calcium carbonate
- the pulp then passes through a refiner where its refining rate is adjusted to about 35 ° SR.
- composition of the pulp is then adjusted in the headbox of a paper machine, by adding a cationic starch of the type HICAT 134A, in a proportion of 1% by weight relative to the solids content in dough.
- the headbox allows evenly distributing the dough on a web where a sheet is formed before passing through the press section and then the dryer of the paper machine.
- the sheet then undergoes surface sizing treatment by passing through a sizing press, so as to form at least one layer.
- a sizing press so as to form at least one layer.
- the sheet passes through a bath whose composition is summarized in the following table: Product used Reference Parts in dry weight
- the sheet then passes into a so-called post-drying section.
- the sheet is in the form of a continuous strip comprising an inner or core zone forming a substrate or a fibrous mat, the composition is defined by the fibrous pulp and at least one outer surface is covered with a layer whose composition is defined by the bath of the gluing press.
- This sheet of paper may eventually undergo finishing operations.
- Such a paper has a relatively low surface porosity, a very low yellowing in the case of annealing (a ⁇ less than 3 for a 5 minutes annealing at 180 ° C.), a very small dimensional shrinkage (less than 0.25% for annealing for 5 minutes at 180 ° C.) and makes it possible to obtain a high thermal conductivity of the printed electroconductive tracks.
- the table below presents comparative examples between such a paper according to the invention and other commercial papers, respectively a paper suitable for photographic printing (hereinafter referred to as photo paper), a coated paper marketed by the company Arjowiggins Creative Paper under the reference Sensation®, and glossy coated paper marketed by Arjowiggins Creative Paper under the reference Main Gloss®
- the table below shows other comparative examples between the paper according to the invention, according to Example 7, and the aforementioned Sensation® and Main Gloss® papers.
- the resistance R of the conductive tracks printed by screen printing or by flexography, having subsequently undergone an annealing treatment, for each of the abovementioned papers, is measured.
- the values of said resistors are shown in the table below.
- Example 7 of the invention makes it possible to reduce the resistance of the printed conductive tracks, and therefore to improve their electrical conductivity, as compared with other commercial papers.
- Example 8 Demonstration of the influence of the deposition method of the pigment layer on the substrate, on the surface state of the support and consequently on the adhesion of the electroconductive ink.
- microporosity variation of the pigment layer on the surface of the support between the patent application WO 2013/104520 and the present invention.
- the use of a plastic film for the deposition of the pigment layer on the surface of the support induces a very great smoothness of the surface of the support, and a virtual absence of microporosity.
- the use of a coating within the meaning of the present invention induces a microporosity sufficient to allow the inks to adhere to the pigment layer.
- the Microcontour test was performed to simply evaluate the surface condition of samples by applying a Blue Microcontour Test®, Lorilleux (Ref 381 1) ink. After having covered the two aforementioned supports (according to WO 2013/104520 and according to the invention) with the aid of a inked roll, the two surfaces were wiped off. This step makes it possible to visually detect irregularities on the surface or coating defects. After drying, optical density measurements at a visible wavelength (380-780 nm) were performed to quantify the ink remaining on the support.
- the special ink contains pigments of fairly large size which are fixed only in roughness and / or significant porosity.
- the results of this test confirm the apparent differences for the support according to the patent application WO 2013/104520 and the support according to the invention: the optical density values between the two supports are widely different: the smooth and closed paper of the application WO 2013/104520 has a very low optical density because the ink has not resisted wiping. On the contrary, the support according to the invention has a normal optical density, because the ink immediately penetrated the surface thanks to the microporosities.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1360249A FR3012153B1 (fr) | 2013-10-21 | 2013-10-21 | Papier destine en particulier a l'impression d'une couche electro-conductrice |
PCT/EP2014/072575 WO2015059157A1 (fr) | 2013-10-21 | 2014-10-21 | Papier destiné en particulier à l'impression d'une couche électro-conductrice |
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EP3060719A1 true EP3060719A1 (fr) | 2016-08-31 |
EP3060719B1 EP3060719B1 (fr) | 2019-01-30 |
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EP14786919.2A Active EP3060719B1 (fr) | 2013-10-21 | 2014-10-21 | Papier destiné en particulier à l'impression d'une couche électro-conductrice |
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US (1) | US20160251805A1 (fr) |
EP (1) | EP3060719B1 (fr) |
JP (1) | JP2017501311A (fr) |
KR (1) | KR102014904B1 (fr) |
CN (1) | CN105658870A (fr) |
CA (1) | CA2925082C (fr) |
ES (1) | ES2721949T3 (fr) |
FR (1) | FR3012153B1 (fr) |
HK (1) | HK1225767A1 (fr) |
RU (1) | RU2016110446A (fr) |
TR (1) | TR201905857T4 (fr) |
WO (1) | WO2015059157A1 (fr) |
ZA (1) | ZA201601751B (fr) |
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WO2016102449A1 (fr) * | 2014-12-25 | 2016-06-30 | Akzo Nobel Coatings International B.V. | Composition de revêtement à l'eau, son utilisation, procédé de revêtement d'un substrat l'utilisant et substrats revêtus |
EP3187322A1 (fr) | 2015-12-31 | 2017-07-05 | Arjo Wiggins Fine Papers Limited | Utilisation de dispositifs électroniques imprimés sur papier pour intégrer un circuit dans des objets moulés en plastique |
JP6841088B2 (ja) * | 2017-03-01 | 2021-03-10 | 堺化学工業株式会社 | 導電性材料及び電極材料 |
EP3405011A1 (fr) * | 2017-05-16 | 2018-11-21 | Arjo Wiggins Fine Papers Limited | Électronique de papier en résine, son procédé de fabrication et son application dans des produits manufacturés |
FR3071855B1 (fr) | 2017-10-04 | 2021-02-19 | Inst Polytechnique Grenoble | Procede de fabrication d'un support flexible cellulosique fonctionnel, installation pour la mise en œuvre de ce procede |
CN114065890B (zh) * | 2021-11-22 | 2024-05-10 | 苏州大学应用技术学院 | 识别标签、其制备方法及识别方法 |
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NO149177C (no) * | 1977-01-28 | 1984-02-29 | Basf Ag | Papirbestrykningsmasser |
JP2834782B2 (ja) * | 1989-08-31 | 1998-12-14 | 王子製紙株式会社 | 塗被紙の製造方法 |
JP3453221B2 (ja) * | 1994-07-22 | 2003-10-06 | リンテック株式会社 | 消去・修正可能な用紙 |
EP1018438B1 (fr) * | 1999-01-05 | 2004-03-03 | Felix Schoeller Technical Papers, Inc. | Matériau pour l'enregistrement par jet d'encre avec couche extrudable d'alcool polyvinylique |
DE10008276A1 (de) * | 2000-02-23 | 2001-08-30 | Basf Ag | Papierstreichmassen auf Basis von gering vernetzten Bindemitteln |
US20040151886A1 (en) * | 2000-03-06 | 2004-08-05 | Bobsein Barrett Richard | Binder composition |
EP1383364A3 (fr) * | 2002-05-23 | 2006-01-04 | Nashua Corporation | Eléments de circuit ayant un revêtement récepteur d'encre et une trace conductrice et leur procédé de fabrication |
JP4344930B2 (ja) * | 2004-01-30 | 2009-10-14 | 王子製紙株式会社 | 印刷用塗被紙 |
JP2006265346A (ja) * | 2005-03-23 | 2006-10-05 | Hokuetsu Paper Mills Ltd | 樹脂混合用紙粉砕物、それを含有する環境配慮型樹脂組成物及びそれを使用した環境配慮型樹脂成形物 |
JP4912323B2 (ja) * | 2005-12-14 | 2012-04-11 | 日本製紙株式会社 | 印刷用塗工紙 |
US20110293851A1 (en) * | 2009-02-02 | 2011-12-01 | Bollstroem Roger | Method for creating a substrate for printed or coated functionality, substrate, functional device and its use |
FR2954361B1 (fr) * | 2009-12-23 | 2012-06-15 | Arjo Wiggins Fine Papers Ltd | Feuille imprimable ultra lisse et recyclable et son procede de fabrication |
EP2506078B1 (fr) * | 2011-03-30 | 2013-09-25 | Schoeller Technocell GmbH & Co. KG | Matériau d'enregistrement pour un procédé d'impression électrographique |
FR2985744B1 (fr) * | 2012-01-13 | 2014-11-28 | Arjo Wiggins Fine Papers Ltd | Procede de fabrication d'une feuille electro-conductrice |
US9648751B2 (en) * | 2012-01-13 | 2017-05-09 | Arjo Wiggins Fine Papers Limited | Method for producing a sheet |
-
2013
- 2013-10-21 FR FR1360249A patent/FR3012153B1/fr active Active
-
2014
- 2014-10-21 TR TR2019/05857T patent/TR201905857T4/tr unknown
- 2014-10-21 ES ES14786919T patent/ES2721949T3/es active Active
- 2014-10-21 US US15/030,789 patent/US20160251805A1/en not_active Abandoned
- 2014-10-21 CA CA2925082A patent/CA2925082C/fr active Active
- 2014-10-21 CN CN201480058001.XA patent/CN105658870A/zh active Pending
- 2014-10-21 WO PCT/EP2014/072575 patent/WO2015059157A1/fr active Application Filing
- 2014-10-21 RU RU2016110446A patent/RU2016110446A/ru not_active Application Discontinuation
- 2014-10-21 EP EP14786919.2A patent/EP3060719B1/fr active Active
- 2014-10-21 KR KR1020167012428A patent/KR102014904B1/ko active IP Right Grant
- 2014-10-21 JP JP2016525019A patent/JP2017501311A/ja active Pending
-
2016
- 2016-03-14 ZA ZA2016/01751A patent/ZA201601751B/en unknown
- 2016-12-09 HK HK16114051A patent/HK1225767A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2017501311A (ja) | 2017-01-12 |
KR102014904B1 (ko) | 2019-08-27 |
WO2015059157A1 (fr) | 2015-04-30 |
CA2925082C (fr) | 2020-04-28 |
CN105658870A (zh) | 2016-06-08 |
CA2925082A1 (fr) | 2015-04-30 |
ES2721949T3 (es) | 2019-08-06 |
FR3012153B1 (fr) | 2016-03-04 |
TR201905857T4 (tr) | 2019-05-21 |
FR3012153A1 (fr) | 2015-04-24 |
ZA201601751B (en) | 2017-05-31 |
RU2016110446A3 (fr) | 2018-06-08 |
RU2016110446A (ru) | 2017-11-28 |
US20160251805A1 (en) | 2016-09-01 |
EP3060719B1 (fr) | 2019-01-30 |
HK1225767A1 (zh) | 2017-09-15 |
KR20160074539A (ko) | 2016-06-28 |
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